Latest, 16 Oct 2026:20 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 years
Latest, 16 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Flash Cardon
Turn any web page to a learning experience.
The extension allows you to build vocabulary by keeping track of known words, and highlighting the new ones to learn.
The whole collected vocabulary can be exported as structured text and used to create flash cards.
How to use
- Open a web page in the language you want to learn
- Click on the Flash Cardon icon on the top of the browser. All words which are not added will get an yellow highlight background.
- Double click on a word to add or update it's meaning.
- You can also see some statistics in the lower right corner of the page
Export/Import/Update Vocabulary
- Right click on the Flash Cardon icon and select Manage Words from the popup menu.
Source code can be found here: https://github.com/aquilax/flash-cardon
Changelog:
1.0.3
- Updated to manifest v3
1.0.2
- Adds support for showing translation as a html ruby
1.0.1
- added word review page (only randomized list at the moment)
1.0.0
- added created and updated fields for each word
- import from both old and new backups
- database migration on install
0.0.4
- added download button on the manage words page
Growth
Window
Users
Change
Ratings
Rating
7 days
+1
+5.3%
0
0.00
30 days
+2
+11.1%
0
0.00
6 months
+3
+17.6%
0
0.00
1 year
+2
+11.1%
0
0.00
Chrome Web Store search rankings
Where Flash Cardon appears when people search the store, with the 30 day change